Is the brace shorter?? I think the stock on has 4 bolts per side, I also see it has a cut out in the front. I should crawl back under and see if that would help, I cant remember where the pipes come...

So I am installing the new LT headers and HF cats and have a question. The old header looked like it "slipped inside" the 2.5" exhaust. The new cat pipe and exhaust pipe are both exactly 2.5". So do...

I think it also has to do with reducing resonations when the AFM kicks in.... I used to hear the valve cycle when it would transfer back and fourth from V8 to V4 mode. Anyone who has changed out the...